function hypergeometric_sample_test ( ) %*****************************************************************************80 % %% HYPERGEOMETRIC_SAMPLE_TEST tests HYPERGEOMETRIC_SAMPLE. % % Licensing: % % This code is distributed under the GNU LGPL license. % % Modified: % % 08 April 2016 % % Author: % % John Burkardt % nsample = 1000; seed = 123456789; fprintf ( 1, '\n' ); fprintf ( 1, 'HYPERGEOMETRIC_SAMPLE_TEST\n' ); fprintf ( 1, ' For the PDF:\n' ); fprintf ( 1, ' HYPERGEOMETRIC_MEAN computes the Hypergeometric mean;\n' ); fprintf ( 1, ' HYPERGEOMETRIC_SAMPLE samples the Hypergeometric distribution;\n' ); fprintf ( 1, ' HYPERGEOMETRIC_VARIANCE computes the Hypergeometric variance.\n' ); n = 10; m = 7; l = 100; check = hypergeometric_check ( n, m, l ); if ( ~ check ); fprintf ( 1, '\n' ); fprintf ( 1, 'HYPERGEOMETRIC_SAMPLE_TEST - Fatal error!\n' ); fprintf ( 1, ' The parameters are not legal.\n' ); return end mean = hypergeometric_mean ( n, m, l ); variance = hypergeometric_variance ( n, m, l ); fprintf ( 1, '\n' ); fprintf ( 1, ' PDF parameter N = %6d\n', n ); fprintf ( 1, ' PDF parameter M = %6d\n', m ); fprintf ( 1, ' PDF parameter L = %6d\n', l ); fprintf ( 1, ' PDF mean = %14g\n', mean ); fprintf ( 1, ' PDF variance = %14g\n', variance ); for i = 1 : nsample [ x(i), seed ] = hypergeometric_sample ( n, m, l, seed ); end mean = i4vec_mean ( nsample, x ); variance = i4vec_variance ( nsample, x ); xmax = i4vec_max ( nsample, x ); xmin = i4vec_min ( nsample, x ); fprintf ( 1, '\n' ); fprintf ( 1, ' Sample size = %6d\n', nsample ); fprintf ( 1, ' Sample mean = %14g\n', mean ); fprintf ( 1, ' Sample variance = %14g\n', variance ); fprintf ( 1, ' Sample maximum = %6d\n', xmax ); fprintf ( 1, ' Sample minimum = %6d\n', xmin ); return end